000 00315nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _aCB 300
_bLIN
100 _aLindblom, Charles E.
245 _aUsable knowledge : social science and social problem solving
260 _bYale University Press
_aNew Haven
_c1979
999 _c137872
_d137872